10%
Stanford business, April 2016
“A 10% increase in vocal variety can have a highly significant impact on your audience’s attention to and retention of your message.”
80%
ralph waldo emerson
“80 percent of what you understand in a conversation is read through the body, not the words.”
2 to 1
Diogenes
“We have two ears and one tongue so that we would listen more and talk less.”